Since Robin Williams's tragic passing yesterday, many people have stepped forward to share their stories about him. Many of them talk about how Williams was, by habit, kind to people--even complete strangers. He went out of his way to be nice to people who could not reward him.

One of those people was a young Canadian comedian named Norm MacDonald. When he first met Robin Williams, MacDonald was just getting started with his career. Williams did his best to help MacDonald get ready for his big break into the comedy business:

It was my first stand-up appearance on Letterman and I had to follow the funniest man in the world. #RIPRobinWilliams